KENNEDY SPACE CENTER, FLA. - Following the mock countdown on Launch Pad 39B, STS-114 Mission Specialist Wendy Lawrence arrives at the slidewire basket area used for emergency egress from the Fixed Service Structure at the pad. This is part of the pre-launch training included in Terminal Countdown Demonstration Test (TCDT) activities. TCDT provides the crew of each mission an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency egress training. STS-114 is the first Return to Flight mission to the International Space Station. The launch window extends July 13 through July 31.